Eric Paul Larsen, D.O.
Family Medicine Physician · Missoula, MT
Eric Paul Larsen, D.O. is a family medicine physician with a practice address in Missoula, Montana, and NPI 1770998353, issued on Jun 23, 2014. Check the license (Montana MED-PHYS-LIC-58628, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Eric Paul Larsen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MED-PHYS-LIC-58628 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2827 Fort Missoula RD, Missoula, MT 59804
- Phone
- (406) 327-4171
- Enumerated
- Jun 23, 2014
- Record last updated
- Dec 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20171107001217); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 2827 Fort Missoula RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric Paul Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-58628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
237 Medicare Part D claims for 107 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 16 claims were for opioids.
Most prescribed
- Metoprolol Succinate22 claims
- Furosemide12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Providence Health And Services MtMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Paul Larsen among 775 family medicine physician records in Montana
Eric Paul Larsen, D.O. is one of 775 family medicine physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2007 among the 464 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
110 family medicine physician records list a practice address in Missoula
They are 110 of the 3,567 NPPES records with a practice address in Missoula, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Missoula → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Carol Bridges, MDMissoula, MT 598041417996661
- Teresa Denney, MDMissoula, MT 598041942385182
- Janice Gomersall, MDMissoula, MT 598041801831599
- David Gorman, M.D.Missoula, MT 598041922029479
- Rodney Heaton, D.O.Missoula, MT 598041861463689
- Duncan Hubbard, M.D.Missoula, MT 598041972564896
- Mary Kleschen, MDMissoula, MT 598041851331342
- Eric Kress, MDMissoula, MT 598041457391203
Common questions
What is Eric Paul Larsen, D.O.'s NPI number?
Eric Paul Larsen, D.O.'s National Provider Identifier (NPI) is 1770998353, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Eric Paul Larsen, D.O. located?
The NPPES record lists a practice address at 2827 Fort Missoula RD, Missoula, MT, 59804. Phone: (406) 327-4171. Providers update this record themselves, so call before visiting.
How can I verify Eric Paul Larsen, D.O.'s license?
NPPES lists Montana license number MED-PHYS-LIC-58628, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric Paul Larsen, D.O. prescribe under Medicare Part D?
In 2024, Eric Paul Larsen, D.O. had 237 Medicare Part D claims for 107 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.